Seiko Cal. 4424 - 106

The 4424-106 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-130b1221e31a]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1973

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